Biostar P4VMA-M P4VMA-M user's manual - Page 16

J1394A1 - motherboard support

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(14) Power Connector: JATXPWR1/JATXPWR2 The motherboard supports ATX power supply for the power system. Before installing the power supply connector, please make sure that all components are installed properly. PIN Assignment PIN Assignment 10 20 1 +3.3V 11 +3.3V 2 +3.3V 12 -12V 3 Ground 13 Ground 4 +5V 14 PS_ON 5 Ground 15 Ground 6 +5V 16 Ground 7 Ground 17 Ground 8 PW_OK 18 -5V 9 +5V_SB 10 +12V 19 +5V 20 +5V 1 11 PIN Assignment PIN Assignment 1 +12V 3 Ground 2 1 2 +12V 4 Ground (15) Front 1394 Header: J1394A1 (optional) Pin Assignment Pin Assignment 1 A1+ 2 A1- 3 Ground 4 Ground 5 B1+ 6 B1- 7 +12V 8 +12V 9 KEY 10 Ground 1 9 J1394A1 (16) Digital Audio Connector: JSPDIFO1 The connector is used to connect SPDIF (Sony & Philips Digital Interconnect Format) interface for digital audio transmission. Pin Assignment 1 +5V 2 SPDIF_OUT 3 Ground JSPDIFO1 1 English 16

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English
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English
English
English
(14) Power Connector: JATXPWR1/JATXPWR2
The motherboard supports ATX power supply for the power system. Before
installing the power supply connector, please make sure that all components are
installed properly.
PIN
Assignment
PIN
Assignment
1
+3.3V
11
+3.3V
2
+3.3V
12
-12V
3
Ground
13
Ground
4
+5V
14
PS_ON
5
Ground
15
Ground
6
+5V
16
Ground
7
Ground
17
Ground
8
PW_OK
18
-5V
9
+5V_SB
19
+5V
10
+12V
20
+5V
PIN
Assignment
PIN
Assignment
1
+12V
3
Ground
2
+12V
4
Ground
(15) Front 1394 Header: J1394A1 (optional)
Pin Assignment
Pin
Assignment
1
A1+
2
A1-
3
Ground
4
Ground
5
B1+
6
B1-
7
+12V
8
+12V
9
KEY
10
Ground
(16) Digital Audio Connector: JSPDIFO1
The connector is used to connect SPDIF (Sony & Philips Digital Interconnect
Format) interface for digital audio transmission.
Pin Assignment
1
+5V
2
SPDIF_OUT
3
Ground
J1394A1
1
9
JSPDIFO1
1
1
10
11
20
1
2